diff --git a/src/docs/internals/interface.tex b/src/docs/internals/interface.tex
index 2a192d89dffc64da894830fda0022ff2d9ad9aaa..b08631e81aec06f54e28d85a53725c55a2758a6c 100644
--- a/src/docs/internals/interface.tex
+++ b/src/docs/internals/interface.tex
@@ -3,4 +3,4 @@
 \section{Error Message Utilities}
 
 \section{Source Paths}
-
+\label{source-paths}